iSmartAlarm Backend Server-Side Request Forgery

2017.07.13
Risk: Medium
Local: No
Remote: Yes
CWE: N/A

[+] Credits: Ilia Shnaidman [+] Source: http://dojo.bullguard.com/blog/burglar-hacker-when-a-physical-security-is-compromised-by-iot-vulnerabilities/ Vendor: ============= iSmartAlarm, inc. Product: ============= iSmartAlarm Backend iSmartAlarm is one of the leading IoT manufactures in the domain of smart alarm systems. It provides a fully integrated alarm system with siren, smart cameras and locks. It functions like any alarm system, but with the benefits of a connected device: alerts pop up on your phone, offering you full remote control via mobile app wherever you are. Vulnerability Type: ============= Server Side Request Forgery CVE Reference: ============= CVE-2017-7727 Security Issue: ================ Open Redirection - iSmartAlarm is not validating injection inside its api. Attack Vectors: =============== One of the backend api's contains an SSRF which allows me to use it as a proxy. An attacker can use iSmartAlarm's backend as a proxy server and potentially launch outbound attacks. PoC: https://api.ismartalarm.com:8443/api/downloadfile.ashx?url=https://ifconfig.io Network Access: =============== Remote Severity: ========= High Disclosure Timeline: ===================================== Jan 30, 2017: Initial contact to vendor Feb 1, 2017: Vendor replied, requesting details Feb 2, 2017: Disclosure to vendor Apr 12, 2017: After vendor didn't replied, I've approached CERT Apr 13, 2017: Confirmed receipt by CERT and assigning CVEs July 05, 2017: Public disclosure


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